Twentieth century manual of railway and commercial telegraphy (1905)
Meyer, Frederic Louis, b. 1875 · Chicago, New York, Rand, McNally & Company · leaf 9
tained in the only available text books on practicaltelegraphy, as it is sent and received over the wires,the author believed it necessary to prepare thiswork. The thanks of the author are cheerfully extendedto all who, during the past years, have worked sozealously for the success of the… … CONTENTS. PART I.Elementary Electricity. Lesson I. Instructions for Beginners. Electricity. StudentsOutfit. Battery Employed.11. Electro-Magnetism. III. Instruments Employed. Kesonators. IV. Circuits. V. Faults. Interruptions. WireTesting, VI. Cut-outs. Switch-boards. PAUT II.The Morse System of…
Telegraph
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